15616660146 has 16 divisors (see below), whose sum is σ = 31237696224. Its totient is φ = 5204824064.

The previous prime is 15616660133. The next prime is 15616660183. The reversal of 15616660146 is 64106661651.

15616660146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15616660098 and 15616660107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134991 + ... + 222386.

It is an arithmetic number, because the mean of its divisors is an integer number (1952356014).

Almost surely, 2^15616660146 is an apocalyptic number.

15616660146 is an abundant number, since it is smaller than the sum of its proper divisors (15621036078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15616660146 is a wasteful number, since it uses less digits than its factorization.

15616660146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364665.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 15616660146 in words is "fifteen billion, six hundred sixteen million, six hundred sixty thousand, one hundred forty-six".